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Related papers: NPU-NTU System for Voice Privacy 2024 Challenge

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In this work, we describe our submissions for the Voice Privacy Challenge 2024. Rather than proposing a novel speech anonymization system, we enhance the provided baselines to meet all required conditions and improve evaluated metrics.…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-11 Nikita Kuzmin , Hieu-Thi Luong , Jixun Yao , Lei Xie , Kong Aik Lee , Eng Siong Chng

We present results and analyses from the third VoicePrivacy Challenge held in 2024, which focuses on advancing voice anonymization technologies. The task was to develop a voice anonymization system for speech data that conceals a speaker's…

Speech data carries a range of personal information, such as the speaker's identity and emotional state. These attributes can be used for malicious purposes. With the development of virtual assistants, a new generation of privacy threats…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-04 Hubert Nourtel , Pierre Champion , Denis Jouvet , Anthony Larcher , Marie Tahon

Advances in speech technology now allow unprecedented access to personally identifiable information through speech. To protect such information, the differential privacy field has explored ways to anonymize speech while preserving its…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-06 Zexin Cai , Henry Li Xinyuan , Ashi Garg , Leibny Paola García-Perera , Kevin Duh , Sanjeev Khudanpur , Nicholas Andrews , Matthew Wiesner

This paper presents the NWPU-ASLP speaker anonymization system for VoicePrivacy 2022 Challenge. Our submission does not involve additional Automatic Speaker Verification (ASV) model or x-vector pool. Our system consists of four modules,…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-27 Jixun Yao , Qing Wang , Li Zhang , Pengcheng Guo , Yuhao Liang , Lei Xie

The task of the challenge is to develop a voice anonymization system for speech data which conceals the speaker's voice identity while protecting linguistic content and emotional states. The organizers provide development and evaluation…

In recent years, the need for privacy preservation when manipulating or storing personal data, including speech , has become a major issue. In this paper, we present a system addressing the speaker-level anonymization problem. We propose…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-29 Francesco Nespoli , Daniel Barreda , Joerg Bitzer , Patrick A. Naylor

We address the challenge of preserving emotional content in streaming speaker anonymization (SA). Neural audio codec language models trained for audio continuation tend to degrade source emotion: content tokens discard emotional…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-09 Nikita Kuzmin , Kong Aik Lee , Eng Siong Chng

Current speaker anonymization methods, especially with self-supervised learning (SSL) models, require massive computational resources when hiding speaker identity. This paper proposes an effective and parameter-efficient speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-20 Xiaojiao Chen , Sheng Li , Jiyi Li , Hao Huang , Yang Cao , Liang He

The VoicePrivacy Challenge promotes the development of voice anonymisation solutions for speech technology. In this paper we present a systematic overview and analysis of the second edition held in 2022. We describe the voice anonymisation…

Speech signals contain a lot of sensitive information, such as the speaker's identity, which raises privacy concerns when speech data get collected. Speaker anonymization aims to transform a speech signal to remove the source speaker's…

Sound · Computer Science 2023-01-16 Pierre Champion , Denis Jouvet , Anthony Larcher

For new participants - Executive summary: (1) The task is to develop a voice anonymization system for speech data which conceals the speaker's voice identity while protecting linguistic content, paralinguistic attributes, intelligibility…

Protecting speaker identity is crucial for online voice applications, yet streaming speaker anonymization (SA) remains underexplored. Recent research has demonstrated that neural audio codec (NAC) provides superior speaker feature…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-06 Nikita Kuzmin , Songting Liu , Kong Aik Lee , Eng Siong Chng

Speaker anonymization is an effective privacy protection solution designed to conceal the speaker's identity while preserving the linguistic content and para-linguistic information of the original speech. While most prior studies focus…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-17 Jixun Yao , Qing Wang , Pengcheng Guo , Ziqian Ning , Yuguang Yang , Yu Pan , Lei Xie

The social media revolution has produced a plethora of web services to which users can easily upload and share multimedia documents. Despite the popularity and convenience of such services, the sharing of such inherently personal data,…

Audio and Speech Processing · Electrical Eng. & Systems 2019-06-03 Fuming Fang , Xin Wang , Junichi Yamagishi , Isao Echizen , Massimiliano Todisco , Nicholas Evans , Jean-Francois Bonastre

Sharing real-world speech utterances is key to the training and deployment of voice-based services. However, it also raises privacy risks as speech contains a wealth of personal data. Speaker anonymization aims to remove speaker information…

Emotion plays a significant role in speech interaction, conveyed through tone, pitch, and rhythm, enabling the expression of feelings and intentions beyond words to create a more personalized experience. However, most existing speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-02 Jixun Yao , Hexin Liu , Eng Siong Chng , Lei Xie

A general disentanglement-based speaker anonymization system typically separates speech into content, speaker, and prosody features using individual encoders. This paper explores how to adapt such a system when a new speech attribute, for…

In this work, we propose a speaker anonymization pipeline that leverages high quality automatic speech recognition and synthesis systems to generate speech conditioned on phonetic transcriptions and anonymized speaker embeddings. Using…

Sound · Computer Science 2022-07-12 Sarina Meyer , Florian Lux , Pavel Denisov , Julia Koch , Pascal Tilli , Ngoc Thang Vu

Privacy and security are major concerns when communicating speech signals to cloud services such as automatic speech recognition (ASR) and speech emotion recognition (SER). Existing solutions for speech anonymization mainly focus on voice…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-31 Minh Tran , Mohammad Soleymani
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